Day counter
How many days since World War II began?
31,821 days
since the start of the Second World War on Friday, September 1, 1939.
As of .
- In years, months and days
- 87 years, 1 month and 14 days
- In weeks
- 4,545 weeks and 6 days
- Next anniversary
- The 88th, on Wednesday, September 1, 2027
- Next round number
- 32,000 days, on Monday, April 12, 2027
The count is the number of whole days from the date to today. Chronos counts the first day as day 1, so it would show day 31,822.
About the start of the Second World War
Germany invaded Poland on September 1, 1939, and Britain and France declared war on Germany two days later, on September 3.
The war in Europe lasted until May 1945, and the war in the Pacific until Japan surrendered that September.
Count your own days with Chronos
Pick the day something began, a new job, a move, the day you quit, and Chronos shows how many days have passed, in one large number. Free with no account and no ads. Chronos Pro, a one-time purchase, puts the count in Home Screen widgets and reminds you on day 100 and day 1,000.
